Free Shipping Across the USA — Worldwide Delivery Available!
PALM Parts Solution
AccountQuote
In Stock Fast Shipping Available
Mitsubishi A1SX42 PLC I/O Expansion Base with LED indicators

*Image shown is a representation only. Actual product may vary.

Mitsubishi A1SX42

by Mitsubishi Electric

Read verified buyer reviews ↓

OverviewThe Mitsubishi A1SX42 is a high-performance I/O expansion base specifically designed for the Mitsubishi Electric A Series PLC platform. This robust unit allows industrial automation professionals to significantly enhance and organize their digital I/O capabilities, supporting greater system configurability, increased flexibility, and optimized control for a wide range of industrial applications. Its compact form factor provides powerful capacity, making it an essential component for modern, scalable control systems.Key Features Dedicated expansion base for Mitsubishi A Series PLC I/O modules, ensuring perfect compatibility and seamless integration. Supports efficient stacking of digital input/output cards, maximizing space utility and simplifying system architecture. Offers versatile installation options, including simple DIN-rail or direct panel mounting, to suit various industrial enclosures and setups. Guarantees reliable signal distribution with exceptionally low electrical noise, crucial for maintaining data integrity in sensitive industrial environments. Integrated LED indicators provide instant visual feedback on power status and individual module operation, facilitating rapid diagnostics and troubleshooting. Designed for inherently modular and scalable systems, allowing for future expansion and adaptation without major overhauls. Technical Specifications Module Slots: Typically accommodates up to 4 digital I/O units (refer to specific module specifications for exact compatibility and capacity). Bus Connection: Features an integrated backplane for effortless, high-speed communication between the PLC and connected I/O modules. Mounting: Fully compatible with both standard DIN-rail and direct panel mounting methods for flexible installation. Operating Temperature: Engineered to operate reliably within a challenging industrial temperature range of 0 to 55 °C. Indicators: Equipped with clear Power-on and fault status LEDs for immediate operational feedback. Power Supply: Receives power directly from the existing A Series PLC power bus, simplifying wiring and reducing external power requirements. Applications Significantly expanding digital I/O capacity for new or existing Mitsubishi A Series PLC systems in manufacturing facilities. Integral to the design and integration of sophisticated modular control panels across various industries. Essential for a wide array of factory automation tasks, including machine control, process sequencing, and data acquisition. Facilitates advanced equipment interfaces, ensuring seamless communication and control between different machinery. Optimal for sophisticated building management and environmental control systems, providing robust I/O capabilities. The ideal solution for cost-effective retrofit and upgrade projects of existing A Series PLC installations, extending system lifespan and capabilities. Why Choose This Model?The Mitsubishi A1SX42 stands out as a superior choice for several compelling reasons. It empowers engineers to achieve truly flexible and compact I/O expansion, crucial for optimizing control panel real estate and system design. This expansion base dramatically simplifies system modification and scalability, allowing businesses to adapt to evolving production demands with minimal disruption. Crucially, it ensures robust signal handling, a cornerstone for reliable control in demanding industrial applications, safeguarding against operational errors and downtime. As a product of Mitsubishi Electric, it embodies the brand's renowned quality, guaranteeing seamless integration and long-term durability. Whether you're an OEM, undertaking a retrofit, or embarking on a green-field application, the A1SX42 delivers the performance and reliability you expect from a leader in industrial automation.Order NowElevate your industrial automation capabilities today by integrating the Mitsubishi A1SX42 into your control system. This intelligent expansion base will optimize your operations, enhance system reliability, and provide a foundation for future growth.FAQWhat is the primary function of the Mitsubishi A1SX42?The Mitsubishi A1SX42 serves as an I/O expansion base, designed to increase the digital input/output capabilities of Mitsubishi Electric A Series PLC systems.How many I/O modules can the A1SX42 accommodate?It typically accommodates up to 4 digital I/O units. For exact compatibility and capacity, refer to the specific module's specifications.What mounting options are available for the A1SX42?The A1SX42 supports both standard DIN-rail and direct panel mounting, offering flexible installation choices for various industrial setups.Does the A1SX42 require an external power supply?No, the A1SX42 receives power directly from the existing A Series PLC power bus, simplifying wiring and reducing the need for external power sources.What is the operating temperature range for this expansion base?The A1SX42 is engineered to operate reliably in industrial environments with a temperature range of 0 to 55 °C.

🇺🇸 Ships from our Florida warehouse
1-Year PALM Parts Warranty
CONDITION
$140.99
11 in stock

USA — Free FedEx Priority & UPS Ground · Worldwide shipping available

For more quantity please contact Customer Service

Experts Available 24/7 · 365
+1 (689) 263-1985
sales@palmpartssolution.com

Fast Shipping

Dispatched quickly on in-stock items via UPS, FedEx & DHL worldwide.

Availability

Thousands of parts in stock — ready for immediate dispatch from Florida.

Payment Flexibility

AMEX, Visa, MasterCard, PayPal, Discover and wire transfer accepted.

PRODUCT DETAILS

Mitsubishi A1SX42

Overview

This is a genuine Mitsubishi Electric component from the MELSEC PLCs family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Mitsubishi Electric catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Mitsubishi Electric automation ecosystem
  • Engineered to integrate inside MELSEC PLCs installations

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Mitsubishi Electric equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Mitsubishi Electric catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Mitsubishi Electric platform with documented conversion notes for the MELSEC PLCs family

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Module Slots: Typically accommodates up to 4 digital I/O units (refer to specific module specifications for exact compatibility and capacity).
  • Bus Connection: Features an integrated backplane for effortless, high-speed communication between the PLC and connected I/O modules.
  • Mounting: Fully compatible with both standard DIN-rail and direct panel mounting methods for flexible installation.
  • Operating Temperature: Engineered to operate reliably within a challenging industrial temperature range of 0 to 55 °C.
  • Indicators: Equipped with clear Power-on and fault status LEDs for immediate operational feedback.
  • Power Supply: Receives power directly from the existing A Series PLC power bus, simplifying wiring and reducing external power requirements.

Applications

  • Significantly expanding digital I/O capacity for new or existing Mitsubishi A Series PLC systems in manufacturing facilities.
  • Integral to the design and integration of sophisticated modular control panels across various industries.
  • Essential for a wide array of factory automation tasks, including machine control, process sequencing, and data acquisition.
  • Facilitates advanced equipment interfaces, ensuring seamless communication and control between different machinery.
  • Optimal for sophisticated building management and environmental control systems, providing robust I/O capabilities.
  • The ideal solution for cost-effective retrofit and upgrade projects of existing A Series PLC installations, extending system lifespan and capabilities.

Why Choose the A1SX42?

The Mitsubishi A1SX42 stands out as a superior choice for several compelling reasons. It empowers engineers to achieve truly flexible and compact I/O expansion, crucial for optimizing control panel real estate and system design. This expansion base dramatically simplifies system modification and scalability, allowing businesses to adapt to evolving production demands with minimal disruption. Crucially, it ensures robust signal handling, a cornerstone for reliable control in demanding industrial applications, safeguarding against operational errors and downtime. As a product of Mitsubishi Electric, it embodies the brand's renowned quality, guaranteeing seamless integration and long-term durability. Whether you're an OEM, undertaking a retrofit, or embarking on a green-field application, the A1SX42 delivers the performance and reliability you expect from a leader in industrial automation.

Availability & Shipping

  • In stock: A1SX42 ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every A1SX42 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Mitsubishi Electric

The Mitsubishi A1SX42 serves as an I/O expansion base, designed to increase the digital input/output capabilities of Mitsubishi Electric A Series PLC systems.

Machine down? We ship parts the same day.

New, surplus, and refurbished Mitsubishi Electric inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

CUSTOMER REVIEWS

What Verified Buyers Say

No reviews yet for this product. Be the first verified buyer to share your experience — we email a review invitation after every purchase.

Independent Supplier Notice

PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.

Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

Are you an Electrical Distributor?Learn more about our distributor program

PALM Parts Solution sells used surplus products. PALM Parts Solution is not an authorized distributor, affiliate, or representative for the brands we carry. Products sold by PALM Parts Solution come with PALM Parts Solution's 1-Year Warranty and do not come with the original manufacturer's warranty. Designated trademarks, brand names and brands appearing herein are the property of their respective owners. This website is not sanctioned or approved by any manufacturer or tradename listed.

Read full disclaimer →